| how do i paste into eclipse |
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Index ‹ java-programmer
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- 5
- Clever JNI solution neededOn Thu, 25 Mar 2004 20:01:32 -0500, Jim Sculley
<email***@***.com> wrote:
> I'm wrapping some Java around a large C++/COM API for a Windows
> application via JNI. I cannot see a way to implement one particular
> feature of this API, so I'm posting here to see if it is:
>
> a) impossible
> b) possible with a little cleverness
> c) trivial and I have simply missed something obvious.
>
> The API includes a function to add menu items to a Windows application.
> The COM API call in C++ looks like this:
>
> AddMenuItem("SomeMenuItem@SomeMenu","someFunctionToCall");
>
> The 'someFunctionToCall' parameter is the name of the method to be
> called in the native code. I cannot see a way to implement this on the
> Java side since the native code doesn't even know that Java is involved.
>
> The most I can do is point the native code to a single function for all
> added menu items, but then I have no way of knowing which menu item's
> action needs to be performed.
>
> I suspect that this is impossible but if anyone believes otherwise, feel
> free to comment.
How about generating the necessary C++ functions at build time, that all
just delegate to their Java counterparts? Shouldn't be too hard with Ant
and XDoclet, I reckon. Just tag the relevant methods and use a custom
doclet.
Michiel
- 6
- replace scrollbar by buttonHi everybody
I would like to suppress scroll bar and replace it by narrow, let
explain me.
I' ve got a panel with flowlayout with many component, textarea,
combobox, button. it is impossible to see all.
I can use scroll panel but it's not nice in my opinion
So I would like a button with an arrow left, at the left of the panel
and a button with an arrow right at the right of the panel, everytime
visible
click on arrow left, let see the lefter components, click on arrow
right, let see the righter components. In brief I would to navigate on
components using the arrows. I hope it's clear.
My first idea is to create a parent panel with border layout, on west
and east the navigate button and in the center will contains my components.
Do you thing it's a good a way ?
Do you know some sources that always do it ?
Thank you helping me
Antoine
- 7
- How to validate XSLT output in java?Howdi,
This should be simple but I am lost in the maze of java xml/xsl
classes. Given a dom Document and an xsl Templates object I want to
run the document through a transformer and validate the output against
a schema and then return the output xml as another Document.
At the moment the only way I can work out how to do this is by
writing the xslt output to a File, then parsing it back in from the
File with validation enabled.. How do I do it directly? Here is where
I have got too. I am working with Java 1.4.2 default implementation.
Regards,
Damon.
====================
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.transform.Templates;
import javax.xml.transform.Transformer;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.sax.SAXResult;
import org.w3c.dom.Document;
import org.xml.sax.InputSource;
public class ValidatingTransform {
public static Document transformXMLDocumentWithValidate(Document
in,
Templates template) throws Exception {
if (in == null)
throw (new Exception("Input document is null"));
// What goes here?
SAXResult result = null;
// Get a transformer from the template
Transformer transformer = template.newTransformer();
transformer.transform(new DOMSource(in), result);
// What goes here??
InputSource source = null;
// Parse the output into a dom with validation
// I am assuming the XSLT output will contain a valid
schemaLocation
DocumentBuilderFactory dbFactory =
DocumentBuilderFactory.newInstance();
dbFactory.setNamespaceAware(true);
dbFactory.setValidating(true);
DocumentBuilder dBuilder = dbFactory.newDocumentBuilder();
Document docResult = dBuilder.parse(source);
return docResult;
}
}
- 7
- any easy way to write out a XML DOM object to file?Hello!
I am using Document and DOM to hold a XML file, and make some changes
to the Document. After that, I just wonder is there any easy way to
write the modified XML file back to disk? (loop all the nodes and
print them out is one way of course, any other better way?)
The piece of node is:
String filename="mytest.xml";
DocumentBuilderFactory factory =
DocumentBuilderFactory.newInstance();
// Create the builder and parse the file
Document doc = factory.newDocumentBuilder().parse(new
File(filename));
// changes the doc, add, edit nodes, etc.
Now, I want to get the updated xml file from "doc", what to do?
Anything like doc.writeAsXMLFile("newFile.xml")?
Thanks and happy holiday. :-)
- 8
- china wholesale chanel adidas prada sneakers UGG timberland boots,cheap nike jordan 11 15 21 22 23 shoes
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- 8
- JWS app does not update.Hi,
I'm familiar with the rules for JWS automatics updates, but my machine
doesn't seem to follow those rules and the application is frequently
stale (even when redeployed off the web).
What could be the cause of this?
For example, does one need to restart one's browser?
Restart one's computer?
Clear out temporary files?
Thanks!
Aaron Fude
- 10
- Problem with Look and FeelI have an applet in which i set the look and feel to that of the system.
This works when the applet is loaded but when the user selects another
page and then returns to the applet the look and feel has changed.
I have no ideas as to why this is happening.
Any help would be much appreciated.
Regards
Clive
--
Posted via Mailgate.ORG Server - http://www.Mailgate.ORG
- 12
- 12
- 13
- Typing number from idle screenHi All,
Can anyone give me a sample code in J2ME how to bring a screen such
that you can type in numbers in the idle screen to make a call?
- 15
- crazy pooling jdbc driver on msaccessI swear that when using the Jakarta commons pooling code with the Sun
JDBC ODBC driver and Microsoft Access I have instances of it closing a
connection on me randomly.
Actually not so randomly - seems to happen regularly but not at the
same spot.
ugh, so tricky to troubleshoot...
- 15
- Constructors + Information HidingI have a random question about a constructor having access to a private
instance variable from an object of the same type.
Class:
public class VarTest {
private int x;
private String s;
public VarTest(){
x = 10;
s = "Testing";
}
public VarTest(int i, String str){
x = i;
s = str;
}
//I know why this would be a useful constructor,
// but why is this allowed if the instance variables for
// vt are private?????
public VarTest(VarTest vt){
x = vt.x;
s = vt.s;
}
public int getX(){
return x;
}
public String getS(){
return s;
}
}
Test Class:
public class Tester{
public static void main(String args[]){
VarTest var1, var2;
var1 = new VarTest(34, "Working?");
var2 = new VarTest(var1);
System.out.println("var2 - x:\t" + var2.getX());
//var2.getX() display 34... Why can is get that from var1?
}
}
Thanks In Advance Folks,
Josh
- 15
- HELP!! Iam new in JAVAI am geting this error in JGRASP:
Lab01.java:2: package edu.pace does not exist
How do I fix it......????
- 15
- AWT -> Swing, blocked dispatch thread
Ok, so I'm finally modernizing my code and switching everything from AWT
to Swing. I keep getting errors like the one below. What might I be
doing that would be blocking the event dispatch thread? Or maybe I'm
doing something else? Is there some common noob mistake that causes
this?
Thanks.
Event
java.awt.event.MouseEvent[MOUSE_PRESSED,(17,93),mods=16,clickCount=1] on
frame0 not handled after 30 seconds. Are you blocking the event
dispatch thread?
java.lang.Exception: Stack trace
at java.lang.Thread.dumpStack(Thread.java:1004)
at
com.apple.mrj.internal.awt.basepeers.EventHandlingComponentPeer.pumaWorka
roundPostEvent(EventHandlingComponentPeer.java:931)
at
com.apple.mrj.internal.awt.basepeers.EventHandlingComponentPeer.mousePres
sed(EventHandlingComponentPeer.java:680)
at
com.apple.mrj.internal.awt.frames.SimpleFramePeer.handleClick(SimpleFrame
Peer.java:1729)
at
com.apple.mrj.internal.awt.framehosts.CarbonWindowFrameHost.handleClick(C
arbonWindowFrameHost.java:1113)
at
com.apple.mrj.internal.awt.framehosts.CarbonWindowFrameHost.handleClickCo
ntentRgn(CarbonWindowFrameHost.java:1073)
at
com.apple.buckyball.app.WindowEventHandler.handleEvent(WindowEventHandler
.java:101)
at
com.apple.buckyball.app.EventHandler$Adapter.EventHandler(EventHandler.ja
va:248)
--
Please take off your shoes before arriving at my in-box.
I will not, no matter how "good" the deal, patronise any business which sends
unsolicited commercial e-mail or that advertises in discussion newsgroups.
- 15
- shrinkwrap JavaRoedy Green <email***@***.com> wrote or quoted:
> Java detractors seem to think Java is unsuited for writing anything
> visually complex.
>
> Take a peak at this stock market app. I think the authors went
> overboard with complexity, but it shows you what is possible and just
> how fast rendering can be. My guess is they use clipregions for
> re-rendering just two tall slivers to get that speed.
>
> http://www.downloadquotes.com/en/applet.phtml?key=Demo&id=3097
It's not exactly doing very much.
Give me http://www.ibiblio.org/lifepatterns/ any day ;-)
--
__________
|im |yler http://timtyler.org/ email***@***.com Remove lock to reply.
|
| Author |
Message |
Sam Aborhey
|
 Posted: 2004-11-30 10:42:00 |
Top |
java-programmer, how do i paste into eclipse
i just downloaded eclipse 3, but i can't seem to paste text into it. all it
gives me is the first character. is there a way i can paste, because it
would be a headache to type out everything needed
|
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IchBin
|
| Posted: 2004-11-30 12:01:00 |
Top |
java-programmer >> how do i paste into eclipse
Sam Aborhey wrote:
> i just downloaded eclipse 3, but i can't seem to paste text into it. all it
> gives me is the first character. is there a way i can paste, because it
> would be a headache to type out everything needed
>
>
I have no problem using: ctrl-c for copy, ctrl-x for cut and ctrl-V for
paste. If you still have problems it could be a memory issue or lack of it.
--
Thanks in Advance...
IchBin
__________________________________________________________________________
'The meeting of two personalities is like the contact of two chemical
substances:
if there is any reaction, both are transformed.'
- Carl Gustav Jung, (1875-1961), psychiatrist and psychologist
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Lothar Leidner
|
| Posted: 2004-11-30 18:10:00 |
Top |
java-programmer >> how do i paste into eclipse
On Mon, 29 Nov 2004 21:42:21 -0500, "Sam Aborhey"
<email***@***.com> wrote:
>i just downloaded eclipse 3, but i can't seem to paste text into it. all it
>gives me is the first character. is there a way i can paste, because it
>would be a headache to type out everything needed
>
It's a bug in eclipse which has been resolved in later versions. I had
the same problem on a Windows 98 box. Now I'm using the actual version
3.1M3 and there it works.
Regards,
Lothar Leidner
|
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Sam Aborhey
|
| Posted: 2004-12-2 10:42:00 |
Top |
java-programmer >> how do i paste into eclipse
is there a way for me to get around this? maybe a patch of something?
"Lothar Leidner" <email***@***.com> wrote in message
news:email***@***.com...
> On Mon, 29 Nov 2004 21:42:21 -0500, "Sam Aborhey"
> <email***@***.com> wrote:
>
> >i just downloaded eclipse 3, but i can't seem to paste text into it. all
it
> >gives me is the first character. is there a way i can paste, because it
> >would be a headache to type out everything needed
> >
>
> It's a bug in eclipse which has been resolved in later versions. I had
> the same problem on a Windows 98 box. Now I'm using the actual version
> 3.1M3 and there it works.
>
> Regards,
>
> Lothar Leidner
|
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|
| |
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IchBin
|
| Posted: 2004-12-2 14:18:00 |
Top |
java-programmer >> how do i paste into eclipse
Sam Aborhey wrote:
> is there a way for me to get around this? maybe a patch of something?
>
> "Lothar Leidner" <email***@***.com> wrote in message
> news:email***@***.com...
>
>>On Mon, 29 Nov 2004 21:42:21 -0500, "Sam Aborhey"
>><email***@***.com> wrote:
>>
>>
>>>i just downloaded eclipse 3, but i can't seem to paste text into it. all
>
> it
>
>>>gives me is the first character. is there a way i can paste, because it
>>>would be a headache to type out everything needed
>>>
>>
>>It's a bug in eclipse which has been resolved in later versions. I had
>>the same problem on a Windows 98 box. Now I'm using the actual version
>>3.1M3 and there it works.
>>
>>Regards,
>>
>>Lothar Leidner
>
>
>
Download 3.1M3. I am not having any problems doing what you want to do.
--
Thanks in Advance...
IchBin
__________________________________________________________________________
'The meeting of two personalities is like the contact of two chemical
substances:
if there is any reaction, both are transformed.'
- Carl Gustav Jung, (1875-1961), psychiatrist and psychologist
|
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|
Index ‹ java-programmer |
- Next
- 1
- Text Field InputI have a JFrame where I hold visible only and employee ID number. I
can input the employee number, retrieve the employee information from a
database, and then display the information on the screen.
I then want to enter hours on the same form. I can bring the
appropriate text field visible, but can't seem to get the code to halt
execution in order to input hours and then compute payroll.
How do I bring a new field visible and then halt code for the input,
several times, on the same form, bringing only the appropriate fields
visible as necessary?
Hope that made sense.
- 2
- 3
- SOLVED: How to read MANIFEST.MF from pluginHi,
here is a way to access "your" manifest, i.e. the manifest of the jar
your class is loaded from. It only works for SunPlugin. In other cases
you may have another ClassLoader not supporting a public
findResource-method. The always public getResource unfortunatly
prefers to return resources returned by the parent's getResource if it
is not null. That's why you would get the manifest of rt.jar. Is there
any good reason to revert the principle 'local hides global' in case
of getting resources? Anyway, here it is:
import java.util.jar.Manifest;
import sun.applet.AppletClassLoader;
...
AppletClassLoader cl = (AppletClassLoader)
getClass().getClassLoader();
URL manifest_url = cl.findResource("META-INF/MANIFEST.MF");
Manifest manifest = new Manifest(manifest_url.openStream());
Yours,
Albrecht
- 4
- making indented XMLI could swear that this used to work for me, but when I run the
following code I get:
<?xml version="1.0" encoding="UTF-8"?>
<a><b><c/></b></a>
which is not the:
<a>
<b>
<c/>
</b>
</a>
that I want and was expecting. I'm running JDK 1.4.2_03 on W2K with
the latest Xalan and Xerces.
I've tried running it like the following:
java -classpath .;xercesImpl.jar;xalan.jar;xml-apis.jar PrintTest
java -Djava.endorsed.dirs=. -classpath
.;xercesImpl.jar;xalan.jar;xml-apis.jar PrintTest
java -Xbootclasspath/p:xercesImpl.jar;xalan.jar;xml-apis.jar
-classpath .;xercesImpl.jar;xalan.jar;xml-apis.jar PrintTest
I'm at a loss here. Can somebody throw me a bone?
Cheers.
Steve Maring
steve at maring dot org
import java.io.StringReader;
import java.io.PrintWriter;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.Transformer;
import javax.xml.transform.stream.StreamResult;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.OutputKeys;
import org.w3c.dom.Document;
import org.xml.sax.InputSource;
public class PrintTest
{
public static void main( String[] args )
{
try
{
String xml = "<a><b><c></c></b></a>";
PrintWriter printWriter = new PrintWriter( System.out, true
);
DocumentBuilderFactory factory =
DocumentBuilderFactory.newInstance();
DocumentBuilder builder = factory.newDocumentBuilder();
Document doc = builder.parse(
new InputSource( new StringReader( xml ) ) );
TransformerFactory transFactory =
TransformerFactory.newInstance();
Transformer transformer = transFactory.newTransformer();
transformer.setOutputProperty( OutputKeys.METHOD, "xml" );
transformer.setOutputProperty( OutputKeys.INDENT, "true" );
transformer.setOutputProperty(
OutputKeys.OMIT_XML_DECLARATION, "true" );
transformer.setOutputProperty(
"{http://xml.apache.org/xslt}indent-amount", "4" );
transformer.transform(
new DOMSource( doc ), new StreamResult( printWriter ) );
}
catch ( Exception e )
{
e.printStackTrace();
}
}
}
- 5
- 6
- To class or to methodI have a class
public class CascadeAction {
...
public CascadeAction(JDesktopPane ... ) {
}
...
public void setIgnoreIconified(...) {
...
}
public void actionPerformed(ActionEvent evt) {
...
}
...
}
Instead of having a class, is the proper way to create a method :
public void cascadeFrames(JDesktopPane desktopPane, int layer, boolean
ignoreIconified) {
...
}
I don't think I should place this method in a subclass of JDesktopPane
since doing so will make it impossible for other users to use the
cascade feature if they already have their own custom JDesktopPane.
Please advice me on the proper way.
- 7
- Positioning dialogboxes created with JOptionPaneThe dialog boxes created using JOptionPane like showConfirmDialog,
showInputDialog gets displayed in the centre of the screen. I need to change
its position. How to do this?
These methods return int or none.
How to get access to the dialog boxes so that they
can be positioned by using appropriate method? or I need to create a custom
dialog box so that they can be positioned?
- 8
- New book on web services and Apache Axis availableHi,
A new book "Developing Web Services with Apache Axis" is now available.
If you'd like to learn to create web services (in particular, using
Apache Axis) and make some sense of various standards like SOAP, WSDL,
JAX-RPC, SOAP with attachments, WS-Security, XML Encryption and XML
Signature, then please check it out at http://www.agileskills2.org/DWSAA
- 9
- MyEclipse - XDoclet problem Hi
I'm trying to create a simple EJB by the help of myeclipse
1. i've created EJB class
2. selected myeclipse - XDoclet standart EJB
and after running myeclipse - XDoclet only 'home' interface has been
generated
could anybody explain why 'object' interface hasn't been generated
I use
Eclipce Version: 3.0.0 Build id: 200310101454
MyEclipse Version: 3.6.4
code:
----------------------------------------------------------------------------
package hello;import java.rmi.RemoteException;import
javax.ejb.CreateException;import javax.ejb.EJBException;import
javax.ejb.SessionBean;import javax.ejb.SessionContext;/** * XDoclet-based
stateless session bean. The class must be declared * public, according to
the EJB specification. * * To generate code: * * * a.. Add Standard EJB
module to XDoclet project properties * b.. Customize XDoclet configuration
* c.. Run XDoclet * * * Please see the included XDoclet Overview * and
the XDoclet Reference in the help system for details * * @ejb.bean name =
"HelloWorld" * type = "Stateless" * display-name =
"HelloWorld" * description = "HelloWorld EJB" *
view-type = "remote" * jndi-name = "ejb/HelloWorldHome" */public
class HelloWorld implements SessionBean { /** The SessionContext */ private
SessionContext context; /** * An ejbCreate method as required by the EJB
specification. * * The container calls the instance's ejbCreate method
whose * signature matches the signature of the create method invoked *
by the client. The input parameters sent from the client are passed to *
the ejbCreate method. Each session bean class must have at * least one
ejbCreate method. The number and signatures * of a session bean's create
methods are specific to each * session bean class. * * @throws
CreateException Thrown if the instance could not perform * the function
requested by the container because of an system-level error. * *
@ejb.create-method */ public void ejbCreate() throws CreateException { }
/** * The ejbActivate() method as required by the EJB specification. * *
The activate method is called when the instance is activated from its *
passive" state. The instance should acquire any resource that it has *
released earlier in the ejbPassivate() method. * * This method is called
with no transaction context. * * @throws EJBException Thrown if the
instance could not perform * the function requested by the container
because of an system-level error. */ public void ejbActivate() throws
EJBException { } /** * The ejbPassivate() method as required by the EJB
specification. * * The activate method is called when the instance is
activated from * its "passive" state. The instance should acquire any
resource that * it has released earlier in the ejbActivate() method. *
* This method is called with no transaction context. * * @throws
EJBException Thrown if the instance could not perform * the function
requested by the container because of an system-level error. */ public void
ejbPassivate() throws EJBException { } /** * The ejbRemove() method as
required by the EJB specification. * * A container invokes this method
before it ends the life of the * session object. This happens as a result
of a client's invoking * a remove operation, or when a container decides
to terminate the * session object after a timeout. * * This method
is called with no transaction context. * * @throws EJBException Thrown
if the instance could not perform * the function requested by the
container because of an system-level error. */ public void ejbRemove()
throws EJBException { } /** * Set the associated session context. The
container calls this method * after the instance creation. * * The
enterprise bean instance should store the reference to the context *
object in an instance variable. * * This method is called with no
transaction context. * * @throws EJBException Thrown if the instance
could not perform * the function requested by the container because of an
system-level error. */ public void setSessionContext(SessionContext
newContext) throws EJBException { context = newContext; } /** * An
example business method * * @ejb.interface-method view-type = "remote" *
* @throws EJBException Thrown if the instance could not perform * the
function requested by the container because of an system-level error. */
public void m1() throws EJBException { // rename and start putting your
business logic here } /** * An example business method * *
@ejb.interface-method view-type = "remote" * * @throws EJBException
Thrown if the instance could not perform * the function requested by the
container because of an system-level error. */ public void m2() throws
EJBException { // rename and start putting your business logic here }}
----------------------------------------------------------------------------
Thanks a lot !
- 10
- Where to find web game programmer?Where is the best place for me to find a java programmer to write a
few games for a website? These would be mostly casino style games
that would interact with our existing database to take advantage of
the points/tokens our users already have obtained.
Please email me if interested, or, send me to the best place to find
such a person or group of people..
c b r o m l e y @ g m a i l . c o m
- 11
- Applet no longer works in IE - problem fixedHi Andrew,
It seems that the source of my problem is the fact that I upgraded
from Eclipse 2.1.1. to 3.2.0. After testing with the latest working
version of my applet I found out that the compiler compliance setting
has to be 1.3 for the applet to work in IE. Default setting is 1.4.
:-|
thanks, Mark.
On Tue, 15 Nov 2005 22:35:10 +0100, Mark <email***@***.com> wrote:
>Sorry, yes I forgot. I don't like frames but how else can you prevent
>having to reload the applet every time you load another page?
>I have removed the redirection.
>This is the HTML:
>
><!DOCTYPE HTML PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
> "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
><HTML xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
><HEAD>
><TITLE>Smorf applet 360x360</TITLE>
><META NAME="ROBOTS" CONTENT="NOINDEX, NOFOLLOW">
><META http-equiv="Content-type" content="text/html;
>charset=iso-8859-1" />
><meta http-equiv="imagetoolbar" content="no" />
><meta content="TRUE" name="MSSmartTagsPreventParsing" />
><link rel="stylesheet" type="text/css" href="styles.css" />
><script language="javascript">
> if(self.location==top.location)self.location="frames360.html";
></script>
></HEAD>
><BODY>
> <APPLET
> code="SmorfApplet.class"
> height=360 width=360
> name="smorf"
> archive="smorfob.jar, jazz3d3.jar, jazz3d3_primitives.jar"
> </APPLET>
></BODY>
></HTML>
>
>anyway I found out creating the package isn't the problem. I put all
>the classes in a single package and jar file, the problem is still
>there.
>
>Mark.
>
>On Tue, 15 Nov 2005 21:20:49 GMT, Andrew Thompson
><email***@***.com> wrote:
>
>>Mark wrote:
>>
>>> The applet I'm testing is here:
>>> http://www.smorf.nl/smorfde/frames360.html
>>
>>That's a frames based page, and when I try to get
>>the applet itself*, I get directed back to the frames
>>page.
>>
>>* I need to see the HTML source.
>>
>>Fix that and I'll help.
- 12
- Calling Stored procedure within the Orcale Server or outside clientHi all,
I have liitle confusion about the stored procedures. I am doing the
Database purging using stored procedures in Oracle 9g. can you tell is
it better to call stored procedures from outside client which i will
take care of the flow in which stored procedues are called or call it
from JAVA STORED PROCEDURS loaded in the database, which will take
care of flow in which stored procs will get executed which inturn is
set by UNIX CRON
- 13
- mail parser ?Hi
I am programming a smtp proxy and i would like to parse the email (in
rfc 822 format). Does a library already exist ?
many thanks
- 14
- Sound Recording - Runs out of memoryI think you may find examples from this website very helpful:
http://www.jsresources.org
Regards,
JM
"Christiaan" <email***@***.com> wrote in message
news:email***@***.com...
> Hi,
>
> Here is a simple sound recording program to record sounds via your
> mic.The problem is that you read the sound bytes into a
> ByteArrayOutputStream and if it becomes to big you get -
> java.lang.OutOfMemoryError.
>
> What can I do to overcome this , I have tried to write the incomming
> bytes to file 1st and then from the file into the audioInputStream ,
> but I couldn't get that to work - here is my code (I used jdk1.3 and
> jdk1.4):
>
>
>
> If you copy the code into a IDE the place where the exception are
> thrown are on line 236.
>
> /*
> Christiaan Pansegrouw
> 22/05/2003
> Simple Sound Recording app
> Contains a start & stop buttom & saves to a wave file -
> "userHomeDir"\SimpleMicRecording\SimpleSound.wav
>
> */
>
> import javax.swing.*;
> import java.awt.*;
> import java.awt.event.*;
> import javax.sound.sampled.*;
> import java.io.*;
>
>
>
>
> public class LaunchSimpleSound
> {
> public static void main(String [] args)
> {
> SimpleSound ss = new SimpleSound();
> }
> }
>
>
> class SimpleSound extends JFrame implements ActionListener
> {
>
> private String userHomeDir = System.getProperty("user.home");
> private String fileSeperator =
> System.getProperty("file.separator");
>
> private JPanel mainPanel;
> private JButton cmdStartRecord;
> private JButton cmdStopRecord;
> AudioInputStream audioInputStream;
> double duration;
> Capture capture = new Capture();
>
> public SimpleSound()
> {
> makeGUI();
>
> }
>
>
> public void makeGUI()
> {
> mainPanel = new JPanel();
> cmdStartRecord = new JButton("Start");
> cmdStopRecord = new JButton("Stop");
> cmdStopRecord.setEnabled(false);
>
>
> cmdStartRecord.addActionListener(this);
> cmdStopRecord.addActionListener(this);
>
>
> mainPanel.add(cmdStartRecord);
> mainPanel.add(cmdStopRecord);
>
> Container c = this.getContentPane();
>
> c.add(mainPanel , BorderLayout.CENTER);
> this.pack();
> this.setDefaultCloseOperation(EXIT_ON_CLOSE);
> this.setVisible(true);
>
> }
>
>
> public void actionPerformed(ActionEvent ae)
> {
> Object source = ae.getSource();
>
> if (source == cmdStartRecord)
> {
> cmdStartRecord.setEnabled(false);
> cmdStopRecord.setEnabled(true);
> capture.start();
>
> }
> else
> {
> cmdStartRecord.setEnabled(true);
> cmdStopRecord.setEnabled(false);
> capture.stop();
> // SaveToFile();
> }
> }
>
>
> public void SaveToFile()
> {
> if (audioInputStream == null)
> {
> System.out.println("Nothing to save ->someting bad happend !!!");
> System.out.println("cashing & burning . .. .");
> System.exit(0);
> }
> else
> {
>
> }
>
> try
> {
> audioInputStream.reset();
> }
> catch(Exception e)
> {
> System.out.println("Unable to reset audioStream in save method");
> System.out.println("Exitting . .. .");
> System.exit(0);
> }
> File x = new File(userHomeDir + fileSeperator +
> "SimpleMicRecording" + fileSeperator + "SimpleSound.wav");
> if (!(x.exists())){
> File dirs = x.getParentFile();
> dirs.mkdir();
> }
> File file = new File(userHomeDir + fileSeperator +
> "SimpleMicRecording" + fileSeperator + "SimpleSound.wav");
> try
> {
> if (AudioSystem.write(audioInputStream , AudioFileFormat.Type.WAVE
> , file) == -1)
> {
> System.out.println("Error");
> }
> }
> catch(Exception e)
> {
> System.out.println("Oh-no!!!");
> }
> }
>
> class Capture implements Runnable
> {
> private AudioFormat.Encoding encoding;
> private float rate;
> private int sampleSize;
> private int channels;
> private int frameSize;
> private boolean bigEndian;
>
>
>
> TargetDataLine line; //define a line - a line from witch audio can
> be read
> Thread thread;
>
> public void start()
> {
> thread = new Thread(this);
> thread.setName("Capture Audio");
> thread.start();
> }
>
>
> public void stop()
> {
> thread = null;
> }
>
> public void run()
> {
> duration = 0;
> audioInputStream = null;
>
> setupFormat();
>
> //define the required attributes for the line &
> //make sure a compatible line is supported
> AudioFormat format = new
> AudioFormat(AudioFormat.Encoding.PCM_SIGNED ,44100, 16,2 , 4 ,44100 ,
> true);
>
> //does not want to work !!!!????
> //AudioFormat format = new AudioFormat(encoding , rate , sampleSize
> , channels , frameSize , rate , bigEndian);
>
> DataLine.Info info = new DataLine.Info(TargetDataLine.class ,
> format);
>
> if (!AudioSystem.isLineSupported(info))
> {
> System.out.println("Line matching " + info +" not supported");
> System.out.println("Exitting the application . . .");
> System.exit(0);
> }
>
> //get & open target data line for capture
>
> try
> {
> line = (TargetDataLine) AudioSystem.getLine(info);
> line.open(format , line.getBufferSize());
> }
> catch(LineUnavailableException ex)
> {
> System.out.println("Unable to open the line");
> System.out.println("Exitting application . . .");
> System.exit(0);
> }
> catch(SecurityException ex)
> {
> System.out.println("A security exception occured");
> System.out.println("Exitting application . . .");
> System.exit(0);
> }
> catch(Exception ex)
> {
> System.out.println("Some exception occured");
> System.out.println("Exitting application . . .");
> System.exit(0);
> }
>
> ByteArrayOutputStream out = new ByteArrayOutputStream();
> int frameSizeInBytes = format.getFrameSize();
> int bufferLengthInFrames = line.getBufferSize() / 8;
> int bufferLengthInBytes = bufferLengthInFrames * frameSizeInBytes;
> byte [] data = new byte[bufferLengthInBytes];
> int numBytesRead;
>
> line.start();
>
> //while the thread is running , write whatever is comming
> //through the line(TargetDataLine) , to the ByteArrayOutputStream
> while (thread != null)
> {
> //Reads audio data from the data line's input buffer
> //if eoi then break out of the while-loop
>
> //The number of bytes to be read must represent an integral
> //number of sample frames, such that:
> // [ bytes read ] % [frame size in bytes ] == 0
> if ((numBytesRead = line.read(data , 0 , bufferLengthInBytes)) ==
> -1)
> {
> break;
> }
> //here is the problem
> out.write(data ,0 , numBytesRead);
> }
>
>
> //we reached the end of the stream . stop & close the line
> line.stop();
> line.close();
> line = null;
>
> //stop & close the output stream
> try
> {
> //Flushes this output stream and forces any buffered
> //output bytes to be written out. The general contract
> //of flush is that calling it is an indication that, if
> //any bytes previously written have been buffered by the
> //implementation of the output stream, such bytes should
> //immediately be written to their intended destination.
> out.flush();
> out.close();
> }
> catch(IOException ex)
> {
> System.out.println("IO Error occurered (flussing the
> BufferArrayOutputStream)");
> System.out.println(" . . . but carring on");
> }
>
> //load bytes in to audio input stream for saving
>
> byte audioBytes[] = out.toByteArray();
> ByteArrayInputStream bais = new ByteArrayInputStream(audioBytes);
> audioInputStream = new AudioInputStream(bais , format ,
> audioBytes.length / frameSizeInBytes);
>
> long milliseconds =
> (long)((audioInputStream.getFrameLength() * 1000) /
> format.getFrameRate());
> duration = milliseconds / 1000.0;
>
>
> try
> {
> audioInputStream.reset();
> }
> catch(Exception e)
> {
> System.out.println("Error resetting audioInputStream");
> System.out.println("Exitting application . . .. ");
> System.exit(0);
> }
>
> if (audioInputStream == null)
> {
> System.out.println("?????????");
> }
> SaveToFile();
>
> }
>
> private void setupFormat()
> {
> AudioFormat.Encoding encoding = AudioFormat.Encoding.PCM_SIGNED;
> rate = (float)44100;
> sampleSize = 16;
> channels = 2;
> frameSize = (sampleSize/8)*channels;
> bigEndian = true;
> }
> }
> }
- 15
- buggy regexpHello all!
The following line hangs in Java:
Pattern.matches("((<BR>)|([^<>]+))*", "aaaaaaaaaaaaaaaaaaaaaaaa
<BR><Bx>")
What's wrong with the regular expression?
Thanks in advance
Ilya
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